Compressor castings are widely used in petrochemical, metallurgy, mining, power and other industries, NHI supplies castings for more than 10 compressor manufacturers including Shenyang Blower Group Co. Ltd., Shenyang Jin Bo Gas Compressor Co. Ltd., Shenyang Yuanda compressor Co., Ltd., products are exported to more than 10 countries including Japan, Brazil, America, India, Russia, South Africa, etc.

Alloy castings includes: cylinder, cylinder block, cylinder head, piston ring; nodular cast iron includes: crankshaft, connecting rod, cross head; gray cast iron includes: body, connecting cylinder, flywheel, etc.

NHI has long history in the compressor castings manufacturing, with continuous upgrading of products, NHI improves technology of compressor casting manufacturing, has successfully developed the first domestic hydrogen, oxygen compressor cylinder castings; pioneered developed domestic largest compressor cylinder with unit weight of 15 tons, the successfully developed the largest compressor body casting, with unit weight of 21 tons; maximum bearing pressure of compressor castings is 20Mpa; Improvement of cylinder block casting process realized the cylinder core support casting, NHI owns the leading technology in the industry.